10% of 180 is 18. She made 18 free throws :)
Answer:
One can conclude that this sample is obtained through a simple random sampling technique.
Step-by-step explanation:
With a simple random sampling, each population participant has an equal chance of being selected. This sampling method is the best sampling technique when compared with other random sampling methods like the Stratified Random Sampling and Double-stage Random Sampling. The reason is that it gives equal chance to every sample to be chosen by eliminating sample bias.
2 1/4 pounds is 36 ounces. So 36-13 is 23. His backpack weighs now 23 ounces or 1.4375 pounds
